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Table 2

Observational parameters of the spectroscopic observations of 2008 YB3.

Instrument Date UT Airmass r δ α m V n × Texp Solar
start (AU) (AU) (°) (s) analog

LRS-LRB 2011.01.08 2:25 1.44 6.49 5.71 5.7 17.8 3 × 600 L98-978, L102-1081, L93-101
LRS-LRR id. 2:57 1.48 id. id. id. id. 2 × 900 id.
NICS Amici id. 5:13 2.51–2.98 id. id. id. id. 16 × 90 L102-1081, L107-684, L107-998
X-shooter (UVB) 2011.01.28 2:52 1.02–1.05 6.49 5.67 5.2 17.8 4 × 1100 L98-978
X-shooter (VIS) id. id. id. id. id. id. id. 4 × 1140 id.
X-shooter (NIR) id. id. id. id. id. id. id. 4 × 1200 id.

Notes.See text for details. For the observation with X-shooter the three different exposure times correspond to the same observation, so all the other parameters are identical. For the TNG, observations in LRB, LRR and Amici have been done on the same date but on different expositions.

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